--- a/src/server/shexp.c Sun Jan 08 15:46:47 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,496 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
- *
- * THE BSD LICENSE
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * Neither the name of the nor the names of its contributors may be
- * used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * shexp.c: shell-like wildcard match routines
- *
- *
- * See shexp.h for public documentation.
- *
- * Rob McCool
- *
- */
-
-#include <ctype.h> /* isalpha, tolower */
-
-#include "shexp.h"
-
-
-/*
- * The observant engineer will notice 2 distinct sets of functions here.
- * All of the noicmp flavor of functions do case sensitive compares on all
- * platforms. The other set (public set) does case insensitive compares on NT.
- */
-int _shexp_match_noicmp(const char *str, const char *exp) ;
-
-
-/* ----------------------------- shexp_valid ------------------------------ */
-
-
-int valid_subexp(const char *exp, char stop)
-{
- register int x,y,t;
- int nsc,np,tld;
-
- x=0;nsc=0;tld=0;
-
- while(exp[x] && (exp[x] != stop)) {
- switch(exp[x]) {
- case '~':
- if(tld) return INVALID_SXP;
- else ++tld;
- case '*':
- case '?':
- case '^':
- case '$':
- ++nsc;
- break;
- case '[':
- ++nsc;
- if((!exp[++x]) || (exp[x] == ']'))
- return INVALID_SXP;
- for(++x;exp[x] && (exp[x] != ']');++x)
- if(exp[x] == '\\')
- if(!exp[++x])
- return INVALID_SXP;
- if(!exp[x])
- return INVALID_SXP;
- break;
- case '(':
- ++nsc;
- while(1) {
- if(exp[++x] == ')')
- return INVALID_SXP;
- for(y=x;(exp[y]) && (exp[y] != '|') && (exp[y] != ')');++y)
- if(exp[y] == '\\')
- if(!exp[++y])
- return INVALID_SXP;
- if(!exp[y])
- return INVALID_SXP;
- t = valid_subexp(&exp[x],exp[y]);
- if(t == INVALID_SXP)
- return INVALID_SXP;
- x+=t;
- if(exp[x] == ')') {
- break;
- }
- }
- break;
- case ')':
- case ']':
- return INVALID_SXP;
- case '\\':
- if(!exp[++x])
- return INVALID_SXP;
- default:
- break;
- }
- ++x;
- }
- if((!stop) && (!nsc))
- return NON_SXP;
- return ((exp[x] == stop) ? x : INVALID_SXP);
-}
-
-NSAPI_PUBLIC int shexp_valid(const char *exp) {
- int x;
-
- x = valid_subexp(exp, '\0');
- if (x < 0) {
- if (x == INVALID_SXP) {
- //NsprError::setError(PR_INVALID_ARGUMENT_ERROR,
- // XP_GetAdminStr(DBT_invalidshexp));
- // TODO
- }
- return x;
- }
- return VALID_SXP;
-}
-
-
-/* ----------------------------- shexp_match ----------------------------- */
-
-
-#define MATCH 0
-#define NOMATCH 1
-#define ABORTED -1
-
-int _shexp_match(const char *str, const char *exp);
-
-int handle_union(const char *str, const char *exp)
-{
- char *e2 = (char *) MALLOC(sizeof(char)*strlen(exp));
- register int t,p2,p1 = 1;
- int cp;
-
- while(1) {
- for(cp=1;exp[cp] != ')';cp++)
- if(exp[cp] == '\\')
- ++cp;
- for(p2 = 0;(exp[p1] != '|') && (p1 != cp);p1++,p2++) {
- if(exp[p1] == '\\')
- e2[p2++] = exp[p1++];
- e2[p2] = exp[p1];
- }
- for(t=cp+1;(e2[p2] = exp[t]);++t,++p2);
- if(_shexp_match(str,e2) == MATCH) {
- FREE(e2);
- return MATCH;
- }
- if(p1 == cp) {
- FREE(e2);
- return NOMATCH;
- }
- else ++p1;
- }
-}
-
-int handle_union_noicmp(const char *str, const char *exp)
-{
- char *e2 = (char *) MALLOC(sizeof(char)*strlen(exp));
- register int t,p2,p1 = 1;
- int cp;
-
- while(1) {
- for(cp=1;exp[cp] != ')';cp++)
- if(exp[cp] == '\\')
- ++cp;
- for(p2 = 0;(exp[p1] != '|') && (p1 != cp);p1++,p2++) {
- if(exp[p1] == '\\')
- e2[p2++] = exp[p1++];
- e2[p2] = exp[p1];
- }
- for(t=cp+1;(e2[p2] = exp[t]);++t,++p2);
- if(_shexp_match_noicmp(str,e2) == MATCH) {
- FREE(e2);
- return MATCH;
- }
- if(p1 == cp) {
- FREE(e2);
- return NOMATCH;
- }
- else ++p1;
- }
-}
-
-int _shexp_match(const char *str, const char *exp)
-{
- register int x,y;
- int ret,neg;
-
- ret = 0;
- for(x=0,y=0;exp[y];++y,++x) {
- if((!str[x]) && (exp[y] != '(') && (exp[y] != '$') && (exp[y] != '*'))
- ret = ABORTED;
- else {
- switch(exp[y]) {
- case '$':
- if( (str[x]) )
- ret = NOMATCH;
- else
- --x; /* we don't want loop to increment x */
- break;
- case '*':
- while(exp[++y] == '*');
- if(!exp[y])
- return MATCH;
- while(str[x]) {
- switch(_shexp_match(&str[x++],&exp[y])) {
- case NOMATCH:
- continue;
- case ABORTED:
- ret = ABORTED;
- break;
- default:
- return MATCH;
- }
- break;
- }
- if((exp[y] == '$') && (exp[y+1] == '\0') && (!str[x]))
- return MATCH;
- else
- ret = ABORTED;
- break;
- case '[':
- if((neg = ((exp[++y] == '^') && (exp[y+1] != ']'))))
- ++y;
-
- if((isalnum(exp[y])) && (exp[y+1] == '-') &&
- (isalnum(exp[y+2])) && (exp[y+3] == ']'))
- {
- int start = exp[y], end = exp[y+2];
-
- /* Droolproofing for pinheads not included */
- if(neg ^ ((str[x] < start) || (str[x] > end))) {
- ret = NOMATCH;
- break;
- }
- y+=3;
- }
- else {
- int matched;
-
- for(matched=0;exp[y] != ']';y++)
- matched |= (str[x] == exp[y]);
- if(neg ^ (!matched))
- ret = NOMATCH;
- }
- break;
- case '(':
- return handle_union(&str[x],&exp[y]);
- break;
- case '?':
- break;
- case '\\':
- ++y;
- default:
-#ifdef XP_UNIX
- if(str[x] != exp[y])
-#else /* XP_WIN32 */
- if(strnicmp(str + x, exp + y, 1))
-#endif /* XP_WIN32 */
- ret = NOMATCH;
- break;
- }
- }
- if(ret)
- break;
- }
- return (ret ? ret : (str[x] ? NOMATCH : MATCH));
-}
-
-int _shexp_match_noicmp(const char *str, const char *exp)
-{
- register int x,y;
- int ret,neg;
-
- ret = 0;
- for(x=0,y=0;exp[y];++y,++x) {
- if((!str[x]) && (exp[y] != '(') && (exp[y] != '$') && (exp[y] != '*'))
- ret = ABORTED;
- else {
- switch(exp[y]) {
- case '$':
- if( (str[x]) )
- ret = NOMATCH;
- else
- --x; /* we don't want loop to increment x */
- break;
- case '*':
- while(exp[++y] == '*');
- if(!exp[y])
- return MATCH;
- while(str[x]) {
- switch(_shexp_match_noicmp(&str[x++],&exp[y])) {
- case NOMATCH:
- continue;
- case ABORTED:
- ret = ABORTED;
- break;
- default:
- return MATCH;
- }
- break;
- }
- if((exp[y] == '$') && (exp[y+1] == '\0') && (!str[x]))
- return MATCH;
- else
- ret = ABORTED;
- break;
- case '[':
- if((neg = ((exp[++y] == '^') && (exp[y+1] != ']'))))
- ++y;
-
- if((isalnum(exp[y])) && (exp[y+1] == '-') &&
- (isalnum(exp[y+2])) && (exp[y+3] == ']'))
- {
- int start = exp[y], end = exp[y+2];
-
- /* Droolproofing for pinheads not included */
- if(neg ^ ((str[x] < start) || (str[x] > end))) {
- ret = NOMATCH;
- break;
- }
- y+=3;
- }
- else {
- int matched;
-
- for(matched=0;exp[y] != ']';y++)
- matched |= (str[x] == exp[y]);
- if(neg ^ (!matched))
- ret = NOMATCH;
- }
- break;
- case '(':
- return handle_union_noicmp(&str[x],&exp[y]);
- break;
- case '?':
- break;
- case '\\':
- ++y;
- default:
- if(str[x] != exp[y])
- ret = NOMATCH;
- break;
- }
- }
- if(ret)
- break;
- }
- return (ret ? ret : (str[x] ? NOMATCH : MATCH));
-}
-
-NSAPI_PUBLIC int shexp_match(const char *str, const char *exp)
-{
- register int x;
- char *expbase = NULL;
-
- for(x=strlen(exp)-1;x;--x) {
- if((exp[x] == '~') && (exp[x-1] != '\\')) {
- /* we're done if the negative subexp matches */
- if(_shexp_match(str,&exp[x+1]) == MATCH)
- return 1;
- /* we're done if the only thing in front of the subexp is '*' */
- if (x == 1 && exp[0] == '*')
- return 0;
- /* create a copy so we can strip off the subexp */
- expbase = STRDUP(exp);
- expbase[x] = '\0';
- exp = expbase;
- break;
- }
- }
- if(_shexp_match(str,exp) == MATCH) {
- if (expbase)
- FREE(expbase);
- return 0;
- }
-
- if (expbase)
- FREE(expbase);
- return 1;
-}
-
-NSAPI_PUBLIC int shexp_match_noicmp(const char *str, const char *exp)
-{
- register int x;
- char *expbase = NULL;
-
- for(x=strlen(exp)-1;x;--x) {
- if((exp[x] == '~') && (exp[x-1] != '\\')) {
- /* we're done if the negative subexp matches */
- if(_shexp_match_noicmp(str,&exp[x+1]) == MATCH)
- return 1;
- /* we're done if the only thing in front of the subexp is '*' */
- if (x == 1 && exp[0] == '*')
- return 0;
- /* create a copy so we can strip off the subexp */
- expbase = STRDUP(exp);
- expbase[x] = '\0';
- exp = expbase;
- break;
- }
- }
- if(_shexp_match_noicmp(str,exp) == MATCH) {
- if (expbase)
- FREE(expbase);
- return 0;
- }
-
- if (expbase)
- FREE(expbase);
- return 1;
-}
-
-/* ------------------------------ shexp_cmp ------------------------------- */
-
-
-NSAPI_PUBLIC int shexp_cmp(const char *str, const char *exp)
-{
- switch(shexp_valid(exp)) {
- case INVALID_SXP:
- return -1;
- case NON_SXP:
-#ifdef XP_UNIX
- return (strcmp(exp,str) ? 1 : 0);
-#else /* XP_WIN32 */
- return (stricmp(exp,str) ? 1 : 0);
-#endif /* XP_WIN32 */
- default:
- return shexp_match(str, exp);
- }
-}
-
-/* ------------------------------ shexp_cmp ------------------------------- */
-
-NSAPI_PUBLIC int shexp_noicmp(const char *str, const char *exp)
-{
- switch(shexp_valid(exp)) {
- case INVALID_SXP:
- return -1;
- case NON_SXP:
- return (strcmp(exp,str) ? 1 : 0);
- default:
- return shexp_match_noicmp(str, exp);
- }
-}
-
-/* ---------------------------- shexp_casecmp ----------------------------- */
-
-
-NSAPI_PUBLIC int shexp_casecmp(const char *str, const char *exp)
-{
- char *lstr = STRDUP(str), *lexp = STRDUP(exp), *t;
- int ret;
-
- for(t = lstr; *t; t++)
- if(isalpha(*t)) *t = tolower(*t);
- for(t = lexp; *t; t++)
- if(isalpha(*t)) *t = tolower(*t);
-
- switch(shexp_valid(lexp)) {
- case INVALID_SXP:
- ret = -1;
- break;
- case NON_SXP:
- ret = (strcmp(lexp, lstr) ? 1 : 0);
- break;
- default:
- ret = shexp_match(lstr, lexp);
- }
- FREE(lstr);
- FREE(lexp);
- return ret;
-}
-